noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   A decrease in the wavelength of a photon or of light, corresponding to a higher frequency and a shift toward the blue end of the electromagnetic spectrum. countable, uncountable

Verb

1. 1
   (ergative) (said of light or a photon) To shift toward the blue end of the electromagnetic spectrum; to change to a shorter wavelength and a higher frequency.

Antonyms

All antonyms

redshift

Etymology

From blue + shift.